6 Duets Op. 2 Vol. 2 (No. 4-6) by Johann Joachim QuantzFor two flutesEdited by John WummerPublished by International Music Co.Parts only

First published in 1759, Quantz himself gave a three page introduction of the performance and compostion of them, along with their usefulness for teaching purposes. He considered them as a supplement to his treatise "On Playing the Flute".